Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC1987GRAND PRIX LE, 5.0 HREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEM3.8L FEEDBACK CARBURETOR TESTS W/CODESMODEL IDENTIFICATION
1987 Pontiac Grand Prix LE, 5.0 H
Model Identification
1987 Pontiac Grand Prix LE, 5.0 HSECTION Model Identification
Repair procedures in this article are sometimes identified by a specific body code. The following table lists GM division, model name, and body types that apply to the body codes.
MODEL IDENTIFICATION
| Body Type & GM Division | Model Name | |
|---|---|---|
| "G" Body | ||
| Buick | Regal | |
| Oldsmobile | Cutlass Supreme | |
| Pontiac (1986 Only) | Bonneville | |
| Pontiac | Grand Prix | |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.